The purpose of this is to visually run through each year of SST to make sure that the 2013 estimation appears reasonable.

## Reading layer `regions_2017_update' from data source `/home/shares/ohi/git-annex/globalprep/spatial/v2017' using driver `ESRI Shapefile'
## Simple feature collection with 526 features and 7 fields
## geometry type:  MULTIPOLYGON
## dimension:      XY
## bbox:           xmin: -18040060 ymin: -9020048 xmax: 18040080 ymax: 9020048
## epsg (SRID):    NA
## proj4string:    +proj=moll +lon_0=0 +x_0=0 +y_0=0 +datum=WGS84 +units=m +no_defs